Impact Racing Events

10/14/2026

Happy Valley online registration closes tomorrow (10/15) at 11:59 pm!!!

We will have race day registration but why wait? The weather looks great, the foliage is peaking and there are still shirts available. The only thing missing is you!

The Happy Valley Half Marathon & 5K is 10/18/26 in Northampton MA.

Thank you TruNorth Bank, New England Wound Care and Texas Roadhouse for sponsoring this year's event!

Register now: https://raceroster.com/events/2026/115056/happy-valley-half-marathon-and-5k

10/12/2026

It is race week for the 2026 Happy Valley Half Marathon & 5K! Race day is 10/18/26 at Look Park in Northampton, MA.

Online registration will be open until Thursday night; so there is still time to be part of the experience!

Click the link below for all race weekend details: https://www.impactracingevents.com/happy-valley-info-race-info

10/10/2026

Are you ready to pin on your bib?!

Happy Valley Half Marathon & 5K online registration closes on 10/15! That means you only have a few days to register for the best fall road race in western MA!

We will have race weekend registration unless we sell out before online registration closes.

Race day is October 18th at Look Park (Northampton, MA)

Here’s what’s waiting for you:

New England foliage
Live music & good vibes
Local breweries
Food trucks
A fast course perfect for PRs

Don’t wait. Sign up today and lock in your spot!

10/05/2026

Happy Valley Half Marathon & 5K prices go up on 10/7 and race day is less than 2 weeks away!

This means that now is the time to commit to yourself and to claim your spot at Happy Valley! Race day is 10/18 at Look Park in Northampton, MA.

We are putting the final touches on making this the experience of the season for you. This is includes shirts, medals, b**r (for 21+ runners) and your soon to be favorite half marathon course!

10/02/2026

We are taking things up a notch at the 10th annual Happy Valley Half Marathon & 5K.

This year's age group prizes will be Performance Trucker Hats from ! We will also have a few extra for sale. These look like a normal trucker hat but act like a running hat.

We also have your new favorite shirt and totally awesome finishers medals.

Oh yeah, at Happy Valley you also get peak foliage, b**r (for 21+ runners), food and an event that pulls out all the stops to remind you how awesome you are!

We still have a limited supply of shirts available and the next price increase happens on Wednesday 10/7! So right now is the time to register, pay less and still secure your shirt!

Race day is 10/18/2026 at Look Park in Northampton, MA.

10/01/2026

Today (10/1) is the last day to guarantee your shirt when you register for the Happy Valley Half Marathon & 5K. We will order a few extra but why wait?!

This year we are going with neon pink!

Race day is 10/18/2026 in Northampton, MA.

Thank you to our Presenting Sponsor: TruNorth Bank as well as our Peak Foliage sponsors: New England Wound Care and Texas Roadhouse

Also thank you to our partners: Elevation Physical Therapy & Performance and Run The Alps.

09/29/2026

🎉🍁 Shirt deadline extended until 10/1! 🍁🎉

Our friends at said we can wait until 10/1 to put in our shirt order. This means you have a few more days to secure your spot and to guarantee your shirt!!

And, of course, at Happy Valley you get a shirt PLUS all this:

🍁 A scenic Half Marathon & 5K through the Pioneer Valley during peak fall foliage
🏃 An inclusive race experience for runners of all abilities
🍺 Post-race drinks from Four Phantoms Brewing Company, Abandoned Building Brewery & Headwater C***r
🌮 Food from Caravan Kitchen, Jeannie's Weenies, Thai Chili Truck & Crêpes Nanou
💪 Recovery support from Elevation Physical Therapy & Performance
🧘 Wellness resources from
❤️ Support for the Easthampton Track & Cross-Country team

09/24/2026

🎉🍁 Register for Happy Valley before 9/25 to guarantee your shirt! 🍁🎉

👕 Your new fav tech shirt is included with registration, but we have to put the order in soon which means now is the time to register!

At Happy Valley you get a shirt PLUS all this:

🍁 A scenic Half Marathon & 5K through the Pioneer Valley during peak fall foliage
🏃 An inclusive race experience for runners of all abilities
🍺 Post-race drinks from Four Phantoms Brewing Company, Abandoned Building Brewery & Headwater C***r
🌮 Food from Caravan Kitchen, Jeannie's Weenies, Thai Chili Truck & Crêpes Nanou
💪 Recovery support from Elevation Physical Therapy & Performance
🧘 Wellness resources from
❤️ Support for the Easthampton Track & Cross-Country team

09/18/2026

🎉🍁 ONE MONTH TO HAPPY VALLEY! 🍁🎉

The Happy Valley Half Marathon & 5K turns 10 on October 18, and we’re getting ready to make year 10 our best celebration yet!

👕 Register by 9/25 to guarantee your shirt! Your new fav tech shirt is included with registration, but we have to put the order in soon. Register now to make sure your shirt is included in the order!

Register Now: https://raceroster.com/events/2026/115056/happy-valley-half-marathon-and-5k

And the shirt is just the beginning. Here’s what’s waiting for you at Happy Valley:

🍁 A scenic Half Marathon & 5K through the Pioneer Valley during peak fall foliage
🏃 An inclusive race experience for runners of all abilities
🍺 Post-race drinks from Four Phantoms Brewing Company, Abandoned Building Brewery & Headwater C***r
🌮 Food from Caravan Kitchen, Jeannie's Weenies, Thai Chili Truck & Crêpes Nanou
💪 Recovery support from Elevation Physical Therapy & Performance
🧘 Wellness resources from
❤️ Support for the Easthampton Track & Cross-Country team

For 10 years, Happy Valley has brought runners together to celebrate running, community, and one of the best times of year in New England.

Whether this will be your first Happy Valley or your 10th, we want you there for this one.

📅 Race Day: October 18, 2026
👕 Shirt Guarantee Deadline: September 25

🍂 One month to go. Come celebrate 10 years of Happy Valley with us!

Register today and guarantee your race shirt: https://raceroster.com/events/2026/115056/happy-valley-half-marathon-and-5k

Join us for the Happy Valley Half Marathon & 5K in Northampton, MA on October 18, 2026. We have a beautiful course and a finish line with live music, food trucks and tasty beverages!

09/15/2026

🍂 FLASH SALE ALERT! 🍂

The Happy Valley Half Marathon & 5K flash sale ends in 24 hours! Now is the time to claim your spot at the lowest price before race day!

Save $5 with code: MONDAY

The 10th annual Happy Valley Half Marathon & 5K is on 10/18/26 in Northampton MA.

Register Now: https://raceroster.com/events/2026/115056/happy-valley-half-marathon-and-5k

This is is your last chance to spend less and get all this:

🍂 A beautiful fall course through Northampton, MA
👕 Premium race shirt
🍴 Post-race food included
🍺 Local b**r or c***r for runners 21+
🎶 Finish-line party with DJ Eric Guyette
📸 Free high-resolution race photos
🏅 Your 2026 finisher's medal

Register Now: https://raceroster.com/events/2026/115056/happy-valley-half-marathon-and-5k